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CVE-2026-111894GHSA-FG92-V5RR-4XJQ

phpMyFAQ 3.2.1 before 4.1.9 and 4.2.0-alpha before 4.2.0-beta Stored XSS via iframe data: URI

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 4.1.9, 4.2.0-beta
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: no
  • Technical impact: partial

Summary

phpMyFAQ 3.2.1 before 4.1.9 and 4.2.0-alpha before 4.2.0-beta contains a stored cross-site scripting vulnerability that allows authenticated content authors to inject JavaScript by embedding iframes with data:text/html sources in FAQ or News content. Attackers can bypass the hostless media-host allowlist in FaqHelper::cleanUpContent(), which is rendered via Twig's raw filter, to run phishing interfaces or top-frame redirects for viewers.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • thorsten phpMyFAQ

    From 3.2.1 · fixed in 4.1.9

  • thorsten phpMyFAQ

    From 4.2.0-alpha · fixed in 4.2.0-beta

References 2

GitHub · thorsten/phpMyFAQ

vulncheck.com